/**
 * Full-screen textured quad shader
 */

Map<String, dynamic> CopyShader = {
  "uniforms": {
    'tDiffuse': {"value": null},
    'opacity': {"value": 1.0}
  },
  "vertexShader": [
    'varying vec2 vUv;',
    'void main() {',
    '	vUv = uv;',
    '	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',
    '}'
  ].join('\n'),
  "fragmentShader": [
    'uniform float opacity;',
    'uniform sampler2D tDiffuse;',
    'varying vec2 vUv;',
    'void main() {',
    '	vec4 texel = texture2D( tDiffuse, vUv );',
    '	gl_FragColor = opacity * texel;',
    '}'
  ].join('\n')
};
